Remove unnecessary checks

Update install_binaries.sh

README.md

@@ -82,6 +82,7 @@ nano /etc/prosody/prosody.cfg.lua /etc/dovecot/dovecot.conf /etc/postfix/main.cf
 
 Create database tables, activate firewall and enable cron:
 ```
+postmap /etc/postfix/header_checks
 cd /var/www/mail && php setup.php && chmod +x /etc/rc.local && /etc/rc.local && systemctl enable mail-cron.timer
 ```
 

etc/postfix/header_checks

@@ -1,2 +1,2 @@
-/^To:.*@[^@]*\.de-mail\.de/ REJECT "Sorry, you tried contacting a De-Mail Address. This is a special System by the German government, not compatible with E-Mail. More info here: https://www.cio.bund.de/Web/DE/Innovative-Vorhaben/De-Mail/de_mail_node.html"
+/^To:.*@[^@]*\.de-mail\.de/ REJECT "Sorry, you tried contacting a De-Mail Address. This is a special System by the German government, not compatible with E-Mail. More info here: https://de-mail.info/"
 /^(To|From).*@example\.com/    REJECT

etc/postfix/helo_checks

@@ -1 +0,0 @@
-DESKTOPRaihan REJECT

etc/postfix/main.cf

@@ -68,7 +68,6 @@ smtpd_recipient_restrictions = check_policy_service inet:127.0.0.1:12340, permit
 smtpd_sender_restrictions = reject_sender_login_mismatch, check_sender_access inline:{{<> = REJECT}}, permit_sasl_authenticated
 smtpd_relay_restrictions = permit_sasl_authenticated, permit_auth_destination, reject_unauth_destination
 smtpd_sender_login_maps = proxy:mysql:/etc/postfix/sql/mysql_virtual_auth_maps.cf
-smtpd_helo_restrictions = check_helo_access hash:/etc/postfix/helo_checks
 
 # anti-spam settings
 smtpd_milters = inet:127.0.0.1:11332
@@ -76,7 +75,6 @@ non_smtpd_milters = inet:127.0.0.1:11332
 milter_default_action = tempfail
 milter_protocol = 6
 header_checks = regexp:/etc/postfix/header_checks
-body_checks = regexp:/etc/postfix/body_checks
 disable_vrfy_command = yes
 smtpd_discard_ehlo_keywords = silent-discard, dsn
 smtpd_delay_reject = yes

install_binaries.sh

@@ -8,7 +8,7 @@ workingdir=$(pwd)
 
 # install all required packages
 DEBIAN_FRONTEND=noninteractive apt-get update
-DEBIAN_FRONTEND=noninteractive apt-get --no-install-recommends install -y apt-transport-tor bash-completion bind9 ca-certificates clamav-daemon clamav-freshclam curl dovecot-imapd dovecot-lmtpd dovecot-pop3d git gnupg haveged iptables libsasl2-modules locales locales-all logrotate lsb-release mariadb-server mercurial nano nginx openssl php8.2-cli php8.2-curl php8.2-fpm php8.2-gd php8.2-gmp php8.2-gnupg php8.2-imap php8.2-intl php8.2-mbstring php8.2-mysql php8.2-pspell php8.2-readline postfix postfix-mysql prosody redis rspamd tor vim wget unzip wireguard wireguard-tools
+DEBIAN_FRONTEND=noninteractive apt-get --no-install-recommends install -y apt-transport-tor bash-completion bind9 ca-certificates clamav-daemon clamav-freshclam curl dovecot-imapd dovecot-lmtpd dovecot-pop3d git gnupg haveged iptables libsasl2-modules locales locales-all logrotate lsb-release mariadb-server mercurial nano nginx openssl php8.2-cli php8.2-curl php8.2-fpm php8.2-gd php8.2-gmp php8.2-gnupg php8.2-imap php8.2-intl php8.2-mbstring php8.2-mysql php8.2-pspell php8.2-readline postfix postfix-mysql prosody redis rspamd tor vim wget unzip brotli wireguard wireguard-tools
 
 # install composer
 curl -sSL https://github.com/composer/composer/releases/download/2.7.6/composer.phar > /usr/bin/composer
@@ -29,7 +29,12 @@ if [ ! -e /etc/dovecot/ecprivkey.pem ]; then
 fi
 # postifx certificates
 if [ ! -e /etc/postfix/danwin1210-mail.chain ]; then
-	openssl req -x509 -nodes -days 3650 -newkey ed448 -subj "/" -keyout /etc/postfix/danwin121-mail.key -out /etc/postfix/danwin1210-mail.crt && cat /etc/postfix/danwin1210-mail.key >> /etc/postfix/danwin1210-mail.chain && cat /etc/postfix/danwin1210-mail.crt >> /etc/postfix/danwin1210-mail.chain
+	openssl req -x509 -nodes -days 3650 -newkey ed448 -subj "/" -keyout /etc/postfix/danwin1210-mail.key -out /etc/postfix/danwin1210-mail.crt && cat /etc/postfix/danwin1210-mail.key >> /etc/postfix/danwin1210-mail.chain && cat /etc/postfix/danwin1210-mail.crt >> /etc/postfix/danwin1210-mail.chain
+fi
+
+# Nginx
+if [ ! -e /etc/nginx/dh4096.pem ]; then
+	openssl dhparam -out /etc/nginx/dh4096.pem 4096
 fi
 
 #install scripts